28776240

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{2351}}^1$

素因数の和:2387

約数の個数: 120

約数和(自身を含む): 102368448

約数和(自身を除く): 73592208

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 20, 24, 30, 34, 36, 40, 45, 48, 51, 60, 68, 72, 80, 85, 90, 102, 120, 136, 144, 153, 170, 180, 204, 240, 255, 272, 306, 340, 360, 408, 510, 612, 680, 720, 765, 816, 1020, 1224, 1360, 1530, 2040, 2351, 2448, 3060, 4080, 4702, 6120, 7053, 9404, 11755, 12240, 14106, 18808, 21159, 23510, 28212, 35265, 37616, 39967, 42318, 47020, 56424, 70530, 79934, 84636, 94040, 105795, 112848, 119901, 141060, 159868, 169272, 188080, 199835, 211590, 239802, 282120, 319736, 338544, 359703, 399670, 423180, 479604, 564240, 599505, 639472, 719406, 799340, 846360, 959208, 1199010, 1438812, 1598680, 1692720, 1798515, 1918416, 2398020, 2877624, 3197360, 3597030, 4796040, 5755248, 7194060, 9592080, 14388120, 28776240]

約数ペア:

[(1, 28776240), (2, 14388120), (3, 9592080), (4, 7194060), (5, 5755248), (6, 4796040), (8, 3597030), (9, 3197360), (10, 2877624), (12, 2398020), (15, 1918416), (16, 1798515), (17, 1692720), (18, 1598680), (20, 1438812), (24, 1199010), (30, 959208), (34, 846360), (36, 799340), (40, 719406), (45, 639472), (48, 599505), (51, 564240), (60, 479604), (68, 423180), (72, 399670), (80, 359703), (85, 338544), (90, 319736), (102, 282120), (120, 239802), (136, 211590), (144, 199835), (153, 188080), (170, 169272), (180, 159868), (204, 141060), (240, 119901), (255, 112848), (272, 105795), (306, 94040), (340, 84636), (360, 79934), (408, 70530), (510, 56424), (612, 47020), (680, 42318), (720, 39967), (765, 37616), (816, 35265), (1020, 28212), (1224, 23510), (1360, 21159), (1530, 18808), (2040, 14106), (2351, 12240), (2448, 11755), (3060, 9404), (4080, 7053), (4702, 6120)]